There are total 5 hours or 300 minutes from 4pm to 9pm. In words, this duration is equal to five hours or three hundred minutes.
How many hours from
| 2AM to 11PM | 12PM to 11PM | 1PM to 6PM |
| 9AM to 12AM | 8PM to 1AM | 12PM to 9PM |
| 9AM to 3PM | 3AM to 12PM | 9PM to 5PM |
| 10PM to 12PM | 7AM to 4AM | 8AM to 10AM |
| 8AM to 10PM | 10PM to 12PM | 3AM to 12AM |
| 2AM to 1AM | 11PM to 9AM | 2AM to 7PM |
